Function keys and shortcuts

[Colin Law]

On 28 July 2015 at 13:42, R Kimber <richardkimber at btinternet.com> wrote:
> When I use the Bluefish editor I set F12 as a shortcut for inserting a list
> item.  Since installing ubuntu-mate 15.04, pressing F12 results in a
> maximised screen, green in background color, which appears to be a terminal.

Is that just in Bluefish or does it happen under other circumstances also?

Colin